linux-kernel - Re: [PATCH v16] x86/split_lock: Enable split lock detection by kernel

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Date:   Sun, 26 Jan 2020 09:27:20 -0800
From:   Mark D Rustad <mrustad@...il.com>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        "Christopherson, Sean J" <sean.j.christopherson@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        H Peter Anvin <hpa@...or.com>,
        "Raj, Ashok" <ashok.raj@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH v16] x86/split_lock: Enable split lock detection by kernel

On Jan 25, 2020, at 3:10 PM, Luck, Tony <tony.luck@...el.com> wrote:

> The “modes” here means the three option selectable by command line  
> option. Off/warn/fatal. Some earlier versions of this patch had a sysfs  
> interface to switch things around.
>
> Not whether we have the MSR enabled/disabled.

Ok. Thanks for the clarification.

--
Mark Rustad, MRustad@...il.com

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